/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/NiagaraParameterPanelViewModel.h
virtual const [TArray](API\Runtime\Core\Containers\TArray)< [UNiagaraParameterDefinitions](API\Plugins\NiagaraEditor\UNiagaraParameterDefinitions) * > GetAvailableParameterDefinitions ( bool bSkipSubscribedParameterDefinitions ) const